BMI Calculator
Body mass index in metric or imperial, with category and healthy range.
kg
cm
Your BMI
22.9
Healthy weight
1518.5253040
Category
Healthy weight
Healthy range
56.7 kg – 76.3 kg
Within range
✓
ShowHide the working
- 1Height in metres: 175 cm ÷ 100 = 1.75 m
- 2Square the height: 1.75² = 3.0625
- 3Divide weight by that: 70 ÷ 3.0625 = 22.86
Formula
BMI = weight (kg) ÷ height (m)²BMI is a rough screening measure, not a diagnosis. It does not distinguish muscle from fat and is less meaningful for athletes, pregnant people, children and older adults. Talk to a clinician about what your number means for you.
About the BMI Calculator
Body mass index in metric or imperial, with category and healthy range. It sits in the Health & Fitness section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the BMI Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The BMI Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the BMI Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Health & Fitness?
- BMI, body fat, calories, macros, heart rate and training numbers. You can browse the full Health & Fitness category for related calculators.